The U.S. Supreme Court agreed to hear Daimler AG’s appeal of a lawsuit claiming the company violated human rights against workers at an Argentina plant in the 1970s.

The San Francisco-based 9th U.S. Circuit Court of Appeals had ruled in favor of plaintiffs in allowing claims to proceed in federal court.

Workers or relatives of workers at an Argentina-based plant operated by Mercedes-Benz, a wholly owned subsidiary of Daimler, sued over the alleged conduct.